Tokyo, Japan

Masao Sakai

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Nippon Kokan Kabushiki Kaisha, Nippon Telegraph and Telephone Corporation. Active years: 1989-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Sakai. Retrieved from https://idiyas.com/inventor/masao-sakai-nvsrmwaq

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1989-1997

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2 patents (USPTO):Explore Patents

Title: The Innovations of Masao Sakai

Introduction

Masao Sakai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in media management and environmental engineering. With a total of 2 patents to his name, Sakai's work reflects a commitment to improving efficiency and sustainability.

Latest Patents

One of Sakai's latest patents is a media library system with an improved media management scheme. This innovative system is designed to reduce the time and average moving distance of the media carrying unit required for exchanging recording media. It includes a storehouse with multiple storage cells for various recording media, a media driving unit for executing data read/write operations, and a media carrying unit for transporting the recording media between the storehouse and the media driving unit. The system optimizes the media exchange operation by organizing the storage cells into groups based on their average distances from the media driving unit, ensuring efficiency in media management.

Another significant patent by Sakai is a method for removing hydrogen chloride from exhaust gas discharged from an incinerator. This method involves reacting hydrogen chloride with slaked lime in slurry to form basic calcium chloride. It also includes a process for detecting the concentration of hydrogen chloride remaining in the exhaust gas and adjusting the reaction based on the detected levels to achieve a target concentration.

Career Highlights

Throughout his career, Masao Sakai has worked with prominent companies, including Nippon Telegraph and Telephone Corporation and Nippon Kokan Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative solutions in technology and environmental management.

Collaborations

Sakai has collaborated with various professionals in his field, including his coworker Shigetaro Iwatsu. These collaborations have likely enhanced his ability to innovate and create effective solutions.

Conclusion

Masao Sakai's contributions to technology and environmental engineering through his patents demonstrate his innovative spirit and dedication to improving systems. His work continues to influence advancements in media management and environmental sustainability.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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